package com.ruoyi.web.controller.common;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.ruoyi.common.utils.AliyunOSSUtils;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.ImageUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.config.ServerConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.FileUploadUtils;
import com.ruoyi.common.utils.file.FileUtils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

/**
 * 通用请求处理
 * 
 * @author ruoyi
 */
@Controller
public class CommonController
{
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;

    /**
     * 通用下载请求
     * 
     * @param fileName 文件名称
     * @param delete 是否删除
     */
    @GetMapping("common/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
    {
        try
        {
            if (!FileUtils.checkAllowDownload(fileName))
            {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = RuoYiConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete)
            {
                FileUtils.deleteFile(filePath);
            }
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 通用上传请求
     */
    @PostMapping("/common/upload")
    @ResponseBody
    public AjaxResult uploadFile(MultipartFile file) throws Exception
    {
//        try
//        {
//            // 上传文件路径
//            String filePath = RuoYiConfig.getUploadPath();
//            // 上传并返回新文件名称
//            String fileName = FileUploadUtils.upload(filePath, file, null);
//            String url = serverConfig.getUrl() + fileName;
//            AjaxResult ajax = AjaxResult.success();
//            ajax.put("fileName", fileName);
//            ajax.put("url", url);
//            return ajax;
//        }
//        catch (Exception e)
//        {
//            return AjaxResult.error(e.getMessage());
//        }




        try
        {
            File f = multipartFileToFile(file);
            System.out.println(f.getAbsolutePath());
            ImageUtils.saveFile(f.getAbsolutePath());

            String imgName = f.getName();
            System.out.println(imgName);
            String img = AliyunOSSUtils.uploadFile(f, "upload/"+DateUtils.getYear()+"/"+DateUtils.getMonth()+"/"+DateUtils.getDay()+"/"+ imgName);
            System.out.println(img);
            f.delete();

            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileName", imgName);
            ajax.put("url", img);
            log.info("url----------------------------"+img);
            return ajax;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求 OSS
     * type 分类 也是上传路径
     */
    @PostMapping("/common/uploadOSS")
    @ResponseBody
    public AjaxResult uploadOSS(MultipartFile file) throws Exception
    {
        try
        {
            File f = multipartFileToFile(file);
            System.out.println(f.getAbsolutePath());
            ImageUtils.saveFile(f.getAbsolutePath());

            String imgName = f.getName();
            System.out.println(imgName);
            String img = AliyunOSSUtils.uploadFile(f, "upload/"+DateUtils.getYear()+"/"+DateUtils.getMonth()+"/"+DateUtils.getDay()+"/"+ imgName);
            System.out.println(img);
            f.delete();

            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileName", imgName);
            ajax.put("url", img);
            log.info("url----------------------------"+img);
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求
     */
    @PostMapping("/common/upload/article")
    @ResponseBody
    public AjaxResult uploadFileArticle(MultipartFile file) throws Exception
    {
//        try
//        {
//            // 上传文件路径
//            String filePath = RuoYiConfig.getUploadPath()+"/article";
//            // 上传并返回新文件名称
//            String fileName = FileUploadUtils.upload(filePath, file, null);
//            String url = serverConfig.getUrl() + fileName;
//            AjaxResult ajax = AjaxResult.success();
//            ajax.put("fileName", fileName);
//            ajax.put("url", url);
//            return ajax;
//        }
//        catch (Exception e)
//        {
//            return AjaxResult.error(e.getMessage());
//        }

        try
        {
            File f = multipartFileToFile(file);
            System.out.println(f.getAbsolutePath());
            ImageUtils.saveFile(f.getAbsolutePath());

            String imgName = f.getName();
            System.out.println(imgName);
            String img = AliyunOSSUtils.uploadFile(f, "upload/"+DateUtils.getYear()+"/"+DateUtils.getMonth()+"/"+DateUtils.getDay()+"/"+ imgName);
            System.out.println(img);
            f.delete();

            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileName", imgName);
            ajax.put("url", img);
            log.info("url----------------------------"+img);
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求
     */
    @PostMapping("/common/upload/articleOSS")
    @ResponseBody
    public AjaxResult uploadFileArticleOSS(MultipartFile file) throws Exception
    {
        try
        {
            File f = multipartFileToFile(file);
            System.out.println(f.getAbsolutePath());
            ImageUtils.saveFile(f.getAbsolutePath());

            String imgName = f.getName();
            System.out.println(imgName);
            String img = AliyunOSSUtils.uploadFile(f, "upload/"+DateUtils.getYear()+"/"+DateUtils.getMonth()+"/"+DateUtils.getDay()+"/"+ imgName);
            System.out.println(img);
            f.delete();

            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileName", imgName);
            ajax.put("url", img);
            log.info("url----------------------------"+img);
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }

    }

    /**
     * 图片接口
     * @param type install安装 apply申请 serviceOrder服务订单，评价
     *             applyParts申请配件 returnParts回寄旧配件物流凭证 applyMileageFee申请里程费
     */
    @PostMapping("/common/upload/applet")
    @ResponseBody
    public AjaxResult uploadFileApplet(MultipartFile file, String type) throws Exception
    {
//        try
//        {
//            log.info("type----------------------------"+type);
//            // 上传文件路径
//            String filePath = RuoYiConfig.getUploadPath();
//            // 上传并返回新文件名称
//            String fileName = FileUploadUtils.upload(filePath, file, type);
//            String url = serverConfig.getUrl() + fileName;
//            AjaxResult ajax = AjaxResult.success();
//            ajax.put("fileName", fileName);
//            ajax.put("url", url);
//            log.info("url----------------------------"+url);
//            return ajax;
//        }
//        catch (Exception e)
//        {
//            e.printStackTrace();
//            return AjaxResult.error(e.getMessage());
//        }


        try
        {
            log.info("type----------------------------"+type);

            File f = multipartFileToFile(file);
            System.out.println(f.getAbsolutePath());
            ImageUtils.saveFile(f.getAbsolutePath());

            String imgName = f.getName();
            System.out.println(imgName);

            String img = AliyunOSSUtils.uploadFile(f, "upload/"+ type + "/" +DateUtils.getYear()+"/"+DateUtils.getMonth()+"/"+DateUtils.getDay()+"/"+ imgName);
            System.out.println(img);
            f.delete();

            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileName", imgName);
            ajax.put("url", img);
            log.info("url----------------------------"+img);
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }


    /**
     * 图片接口
     * @param type install安装 apply申请 serviceOrder服务订单，评价
     *             applyParts申请配件 returnParts回寄旧配件物流凭证 applyMileageFee申请里程费
     */
    @PostMapping("/common/upload/appletOSS")
    @ResponseBody
    public AjaxResult uploadFileAppletOSS(MultipartFile file, String type) throws Exception
    {
        try
        {
            log.info("type----------------------------"+type);

            File f = multipartFileToFile(file);
            System.out.println(f.getAbsolutePath());
            ImageUtils.saveFile(f.getAbsolutePath());

            String imgName = f.getName();
            System.out.println(imgName);

            String img = AliyunOSSUtils.uploadFile(f, "upload/"+ type + "/" +DateUtils.getYear()+"/"+DateUtils.getMonth()+"/"+DateUtils.getDay()+"/"+ imgName);
            System.out.println(img);
            f.delete();

            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileName", imgName);
            ajax.put("url", img);
            log.info("url----------------------------"+img);
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/common/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception
    {
        try
        {
            if (!FileUtils.checkAllowDownload(resource))
            {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = RuoYiConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }


    public File multipartFileToFile(MultipartFile file) throws Exception {
        File toFile = null;
        if (file.equals("") || file.getSize() <= 0) {
            file = null;
        } else {
            InputStream ins = null;
            ins = file.getInputStream();
            toFile = new File(file.getOriginalFilename());
            inputStreamToFile(ins, toFile);
            ins.close();
        }
        return toFile;

    }



    private static void inputStreamToFile(InputStream ins, File file) {
        try {
            OutputStream os = new FileOutputStream(file);
            int bytesRead = 0;
            byte[] buffer = new byte[8192];
            while ((bytesRead = ins.read(buffer, 0, 8192)) != -1) {
                os.write(buffer, 0, bytesRead);
            }
            os.close();
            ins.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
